Relook explicitly setting a tmp dir for connectors.

[davinchia]

Tell us about the problem you're trying to solve

#10761 turned out to cause some issues. We want this as best practice as well to present a resource guarantees that connectors can use.

This issue is to figure out why ^ PR went wrong and hopefully merge it in.

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Additional context

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Are you willing to submit a PR?

Remove this with your answer :-)